void AlgorithmPattern::displayThresholdResults(RasterElement* pRasterElement, ColorType color, PassArea passArea,
double firstThreshold, double secondThreshold,
Opticks::PixelOffset offset)
{
REQUIRE(pRasterElement != NULL);
SpatialDataView* pView = NULL;
vector<Window*> windows;
mpDesktopServices->getWindows(SPATIAL_DATA_WINDOW, windows);
for (unsigned int i = 0; i < windows.size() && pView == NULL; i++)
{
SpatialDataWindow* pWindow = static_cast<SpatialDataWindow*>(windows[i]);
if (pWindow != NULL)
{
SpatialDataView* pCurrentView = pWindow->getSpatialDataView();
if (pCurrentView != NULL)
{
LayerList* pLList = pCurrentView->getLayerList();
REQUIRE(pLList != NULL);
vector<Layer*> layers;
pLList->getLayers(RASTER, layers);
for (vector<Layer*>::const_iterator layer = layers.begin(); layer != layers.end(); ++layer)
{
if (*layer != NULL && static_cast<RasterElement*>((*layer)->getDataElement()) == getRasterElement())
{
pView = pCurrentView;
break;
}
}
}
}
}
REQUIRE(pView != NULL);
ThresholdLayer* pLayer = NULL;
// Get or create a valid threshold layer
LayerList* pLayerList = pView->getLayerList();
if (pLayerList != NULL)
{
pLayer = static_cast<ThresholdLayer*>(pLayerList->getLayer(THRESHOLD, pRasterElement));
if (pLayer == NULL)
{
pLayer = static_cast<ThresholdLayer*>(pView->createLayer(THRESHOLD, pRasterElement));
}
// Remove existing layers of other types
if (pLayer != NULL)
{
Layer* pRasterLayer = pLayerList->getLayer(RASTER, pRasterElement);
if (pRasterLayer != NULL)
{
pView->deleteLayer(pRasterLayer);
}
Layer* pPseudocolorLayer = pLayerList->getLayer(PSEUDOCOLOR, pRasterElement);
if (pPseudocolorLayer != NULL)
{
pView->deleteLayer(pPseudocolorLayer);
}
}
}
INVARIANT(pLayer != NULL);
UndoLock lock(pView);
if (color.isValid())
{
pLayer->setColor(color);
}
pLayer->setRegionUnits(RAW_VALUE);
pLayer->setPassArea(passArea);
pLayer->setFirstThreshold(firstThreshold);
pLayer->setSecondThreshold(secondThreshold);
pLayer->setXOffset(offset.mX);
pLayer->setYOffset(offset.mY);
}
